5621980 has 48 divisors (see below), whose sum is σ = 14535360. Its totient is φ = 1778688.

The previous prime is 5621953. The next prime is 5621983. The reversal of 5621980 is 891265.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276 + ... + 3364.

It is an arithmetic number, because the mean of its divisors is an integer number (302820).

Almost surely, 2^5621980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5621980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7267680).

5621980 is an abundant number, since it is smaller than the sum of its proper divisors (8913380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5621980 is a wasteful number, since it uses less digits than its factorization.

5621980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118 (or 3116 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 5621980 is about 2371.0714877456. The cubic root of 5621980 is about 177.8128319186.

The spelling of 5621980 in words is "five million, six hundred twenty-one thousand, nine hundred eighty".